| 发明名称 |
Tobacco filter. |
| 摘要 |
<p>For the removal of harmful and hazardous substances, particularly suspected carcinogens, contained in tobacco smoke, a tobacco filter is proposed which contains a phthalocyanine compound, with or without a highly water-absorbing material, in the conventional material of a tobacco filter.</p> |
| 申请公布号 |
EP0121436(A2) |
申请公布日期 |
1984.10.10 |
| 申请号 |
EP19840302230 |
申请日期 |
1984.03.30 |
| 申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
发明人 |
OHIZUMI, ISAO;OKAYASU, HIROSHI |
| 分类号 |
A24D3/08;A24D3/14;(IPC1-7):24D3/14;24D3/08 |
主分类号 |
A24D3/08 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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